Name: mini telescopic zoom flashlight   Product size: 60 * 15 (mm)   Light source: 1 high bright LED light   Power: 3 button AG13 (LR44) batteries   Material: aluminum alloy + ABS   Function: lighting, zoom through gentry shrinkage adjustment Specifications: The first time you use it, you have to open the battery cover and remove the white insulating piece at the bottom of the battery before you can use it.   You are still unable to find the key empty and touch ah? You still have to find something in the dark and annoying, portable micro flashlight keychain came out, this small delicate keychain flashlight, chic appearance, beautiful. Keep up with the elements of the times, easy to carry, wear the key on the key ring. Completely solve all your worries Oh.   Craftsmanship is quite exquisite, people it, is a good gift, the shell is made of aviation magnesium aluminum alloy material, high strength, low weight, the surface after special oxidation treatment, more wear-resistant, feel more comfortable   Built-in 3 AG13 button electronic (distribution electronics).   The use of LED micro-semiconductor light-emitting, new energy-saving light source, power consumption is a tenth of incandescent lamp energy-efficient LED bulb life of up to 100,000 hours, a lifetime without changing the bulb.   Power saving: the use of high-brightness LED lights. Reliable performance / long time continuous lighting, concentrated light, diffuse light two modes     Miniature: small / lightweight / easy to carry length: only the average length of keys, only 5 cm, net weight: 16 grams; diameter is only 1.5 cm. Package Included: 1*Flashlight